Hi,
This details the contents of the block git repo of items that are bound
for a 2.6.24 merge. The SCSI data buffer accessor patch from Tomo will
also be going in through the block tree, but it's not merged up yet.
That's mainly due to my laziness, not because the code isn't ready. That
will happen sometime during today.
Misc bits:
- Various bug fixes from Neil Brown, part of his larger patchset for
allowing arbitrarily sized bios.
- Various little bug fixes and documentation updates.
Barriers:
- The empty bio barrier patches from me. These allow sending down a bio
with no data attached, for insertion a barrier in a request queue.
They are useful for dm and md, but also cleans up the sync
blkdev_issue_flush() interface - it's now no longer an addon hack, but
just a natural use of empty bio barriers.
SG chaining bits:
- This is the bulk of the patchset. It consists of three major
components:
- sglist-core, which add helpers for iterating sg lists and
switches the block layer and SCSI to use those. Should not
have any functional changes.
- sglist-drivers, which converts drivers to use the sg list
helpers. Again, should not contain functional changes.
- sglist-arch, which adds support to most architectures and
actually enables sg chaining.
The goal of sg chaining is to allow support for very large sgtables,
without requiring that they be allocated from one contigious piece of
memory.
Shortlog:
Adrian Bunk (1):
remove ide_get_error_location()
Andrew Morton (1):
Fixup u14-34f ENABLE_SG_CHAINING
Dhaval Giani (1):
Corrections in Documentation/block/ioprio.txt
FUJITA Tomonori (9):
ips: sg chaining support
zfcp: sg chaining support
libata sg chaining support fix
qla1280: sg chaining fixes
add use_sg_chaining option to scsi_host_template
qla1280: enable use_sg_chaining option
revert sg segment size ifdefs
remove blk_queue_max_phys_segments in libata
remove sglist_len
Jens Axboe (45):
[BLOCK] Fixup rq_for_each_segment() indentation
Fix warnings with !CONFIG_BLOCK
block: ll_rw_blk.c: cosmetics
bio: use memset() in bio_init()
bio: make freeing of ->bi_io_vec conditional in bio_free()
block: add end_queued_request() and end_dequeued_request() helpers
block: factor our bio_check_eod()
block: Initial support for data-less (or empty) barrier support
block: convert blkdev_issue_flush() to use empty barriers
pktcdvd: don't rely on bio_init() preserving bio->bi_io_vec
crypto: don't pollute the global namespace with sg_next()
Add sg helpers for iterating over a scatterlist table
block: convert to using sg helpers
scsi: convert to using sg helpers
Add chained sg support to linux/scatterlist.h
ll_rw_blk: temporarily enable max_segments tweaking
scsi: simplify scsi_free_sgtable()
SCSI: support for allocating large scatterlists
libata: convert to using sg helpers
scsi_debug: support sg chaining
scsi generic: sg chaining support
qla1280: sg chaining support
aic94xx: sg chaining support
qlogicpti: sg chaining support
ide-scsi: sg chaining support
gdth: sg chaining support
aha1542: convert to use the data buffer accessors
advansys: convert to use the data buffer accessors
infiniband: sg chaining support
USB storage: sg chaining support
Fusion: sg chaining support
i2o: sg chaining support
IDE: sg chaining support
i386 dma_map_sg: convert to using sg helpers
i386: enable sg chaining
swiotlb: sg chaining support
x86-64: update calgary iommu to sg helpers
x86-64: update nommu to sg helpers
x86-64: update pci-gart iommu to sg helpers
x86-64: enable sg chaining
IA64: sg chaining support
PS3: sg chaining support
PPC: sg chaining support
SPARC: sg chaining support
SPARC64: sg chaining support
Laurent Riffard (1):
pktcdvd: don't rely on bio_init() preserving bio->bi_destructor
Lee Schermerhorn (1):
Panic in blk_rq_map_sg() from CCISS driver
Mel Gorman (1):
Build failure on ppc64 drivers/block/ps3disk.c
NeilBrown (6):
Merge blk_recount_segments into blk_recalc_rq_segments
[BLOCK] Introduce rq_for_each_segment replacing rq_for_each_bio
Fix various abuse of bio fields in umem.c
New function blk_req_append_bio
Stop exporting blk_rq_bio_prep
Share code between init_request_from_bio and blk_rq_bio_prep
Satyam Sharma (1):
ll_rw_blk: blk_cpu_notifier should be __cpuinitdata
saeed bishara (1):
use sg helper function in DMA mapping documentation
Documentation/DMA-mapping.txt | 2
Documentation/block/biodoc.txt | 20
Documentation/block/ioprio.txt | 11
arch/ia64/hp/common/sba_iommu.c | 14
arch/ia64/hp/sim/simscsi.c | 1
arch/ia64/sn/pci/pci_dma.c | 11
arch/powerpc/kernel/dma_64.c | 5
arch/powerpc/kernel/ibmebus.c | 11
arch/powerpc/kernel/iommu.c | 23
arch/powerpc/platforms/ps3/system-bus.c | 7
arch/sparc/kernel/ioport.c | 25 -
arch/sparc/mm/io-unit.c | 12
arch/sparc/mm/iommu.c | 10
arch/sparc/mm/sun4c.c | 10
arch/sparc64/kernel/iommu.c | 39 +
arch/sparc64/kernel/pci_sun4v.c | 32 -
arch/x86_64/kernel/pci-calgary.c | 24 -
arch/x86_64/kernel/pci-gart.c | 63 +-
arch/x86_64/kernel/pci-nommu.c | 5
block/elevator.c | 17
block/ll_rw_blk.c | 522 +++++++++++++---------
crypto/digest.c | 2
crypto/scatterwalk.c | 2
crypto/scatterwalk.h | 2
drivers/ata/libata-core.c | 35 -
drivers/ata/libata-scsi.c | 2
drivers/block/cciss.c | 1
drivers/block/floppy.c | 81 +--
drivers/block/lguest_blk.c | 36 -
drivers/block/nbd.c | 59 +-
drivers/block/pktcdvd.c | 7
drivers/block/ps3disk.c | 63 --
drivers/block/umem.c | 38 +
drivers/block/xen-blkfront.c | 32 -
drivers/ide/cris/ide-cris.c | 3
drivers/ide/ide-disk.c | 29 -
drivers/ide/ide-dma.c | 2
drivers/ide/ide-floppy.c | 52 +-
drivers/ide/ide-io.c | 38 -
drivers/ide/ide-probe.c | 2
drivers/ide/ide-taskfile.c | 18
drivers/ide/mips/au1xxx-ide.c | 2
drivers/ide/pci/sgiioc4.c | 3
drivers/ide/ppc/pmac.c | 2
drivers/infiniband/hw/ipath/ipath_dma.c | 10
drivers/infiniband/ulp/iser/iser_memory.c | 76 +--
drivers/md/dm-emc.c | 10
drivers/md/dm-table.c | 28 -
drivers/md/dm.c | 16
drivers/md/dm.h | 1
drivers/md/linear.c | 20
drivers/md/md.c | 1
drivers/md/multipath.c | 30 -
drivers/md/raid0.c | 21
drivers/md/raid1.c | 31 -
drivers/md/raid10.c | 31 -
drivers/md/raid5.c | 31 -
drivers/message/fusion/mptscsih.c | 6
drivers/message/i2o/i2o_block.c | 24 -
drivers/s390/block/dasd_diag.c | 37 -
drivers/s390/block/dasd_eckd.c | 28 -
drivers/s390/block/dasd_fba.c | 28 -
drivers/s390/char/tape_34xx.c | 32 -
drivers/s390/char/tape_3590.c | 37 -
drivers/s390/scsi/zfcp_def.h | 1
drivers/s390/scsi/zfcp_qdio.c | 6
drivers/scsi/3w-9xxx.c | 1
drivers/scsi/3w-xxxx.c | 1
drivers/scsi/BusLogic.c | 1
drivers/scsi/NCR53c406a.c | 3
drivers/scsi/a100u2w.c | 1
drivers/scsi/aacraid/linit.c | 1
drivers/scsi/advansys.c | 12
drivers/scsi/aha1542.c | 32 -
drivers/scsi/aha1740.c | 1
drivers/scsi/aic7xxx/aic79xx_osm.c | 1
drivers/scsi/aic7xxx/aic7xxx_osm.c | 1
drivers/scsi/aic7xxx_old.c | 1
drivers/scsi/aic94xx/aic94xx_task.c | 6
drivers/scsi/arcmsr/arcmsr_hba.c | 1
drivers/scsi/dc395x.c | 1
drivers/scsi/dpt_i2o.c | 1
drivers/scsi/eata.c | 3
drivers/scsi/gdth.c | 45 -
drivers/scsi/hosts.c | 1
drivers/scsi/hptiop.c | 1
drivers/scsi/ibmmca.c | 1
drivers/scsi/ibmvscsi/ibmvscsi.c | 1
drivers/scsi/ide-scsi.c | 31 -
drivers/scsi/initio.c | 1
drivers/scsi/ips.c | 14
drivers/scsi/lpfc/lpfc_scsi.c | 2
drivers/scsi/mac53c94.c | 1
drivers/scsi/megaraid.c | 1
drivers/scsi/megaraid/megaraid_mbox.c | 1
drivers/scsi/megaraid/megaraid_sas.c | 1
drivers/scsi/mesh.c | 1
drivers/scsi/nsp32.c | 1
drivers/scsi/pcmcia/sym53c500_cs.c | 1
drivers/scsi/qla1280.c | 70 +-
drivers/scsi/qla2xxx/qla_os.c | 2
drivers/scsi/qla4xxx/ql4_os.c | 1
drivers/scsi/qlogicfas.c | 1
drivers/scsi/qlogicpti.c | 15
drivers/scsi/scsi_debug.c | 30 -
drivers/scsi/scsi_lib.c | 248 +++++++---
drivers/scsi/scsi_tgt_lib.c | 4
drivers/scsi/sd.c | 23
drivers/scsi/sg.c | 16
drivers/scsi/stex.c | 1
drivers/scsi/sym53c416.c | 1
drivers/scsi/sym53c8xx_2/sym_glue.c | 1
drivers/scsi/u14-34f.c | 3
drivers/scsi/ultrastor.c | 1
drivers/scsi/wd7000.c | 1
drivers/usb/storage/alauda.c | 16
drivers/usb/storage/datafab.c | 10
drivers/usb/storage/jumpshot.c | 10
drivers/usb/storage/protocol.c | 20
drivers/usb/storage/protocol.h | 2
drivers/usb/storage/sddr09.c | 16
drivers/usb/storage/sddr55.c | 16
drivers/usb/storage/shuttle_usbat.c | 17
fs/bio.c | 23
fs/fs-writeback.c | 1
include/asm-i386/dma-mapping.h | 13
include/asm-i386/scatterlist.h | 2
include/asm-ia64/dma-mapping.h | 1
include/asm-ia64/scatterlist.h | 2
include/asm-powerpc/dma-mapping.h | 17
include/asm-powerpc/scatterlist.h | 2
include/asm-sparc/scatterlist.h | 2
include/asm-sparc64/scatterlist.h | 2
include/asm-x86_64/dma-mapping.h | 3
include/asm-x86_64/scatterlist.h | 2
include/linux/bio.h | 19
include/linux/blkdev.h | 32 -
include/linux/i2o.h | 3
include/linux/ide.h | 7
include/linux/libata.h | 16
include/linux/scatterlist.h | 84 +++
include/linux/writeback.h | 1
include/scsi/scsi.h | 7
include/scsi/scsi_cmnd.h | 7
include/scsi/scsi_host.h | 13
kernel/sched.c | 1
lib/swiotlb.c | 19
mm/bounce.c | 6
mm/readahead.c | 1
149 files changed, 1515 insertions(+), 1348 deletions(-)
--
Jens Axboe
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